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High Energy Physics - Phenomenology

arXiv:1804.01787 (hep-ph)
[Submitted on 5 Apr 2018 (v1), last revised 20 Jul 2018 (this version, v2)]

Title:Low-energy limit of the $O(4)$ quark-meson model from the functional renormalization group approach

Authors:Jürgen Eser, Florian Divotgey, Mario Mitter, Dirk H. Rischke
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Abstract:We compute the low-energy limit of the $O(4)$-symmetric quark-meson model as an effective field theory for Quantum Chromodynamics within the Functional Renormalization Group (FRG) approach. In particular, we analyze the renormalization group flow of momentum-dependent pion self-interactions beyond the local potential approximation. The numerical results for these couplings obtained from the FRG are confronted with a recent tree-level study. Additionally, their effect on the wave-function renormalization and the curvature masses is investigated.
Subjects: High Energy Physics - Phenomenology (hep-ph); High Energy Physics - Theory (hep-th)
Cite as: arXiv:1804.01787 [hep-ph]
  (or arXiv:1804.01787v2 [hep-ph] for this version)
  https://doi.org/10.48550/arXiv.1804.01787
Journal reference: Phys. Rev. D 98, 014024 (2018)
Related DOI: https://doi.org/10.1103/PhysRevD.98.014024

Submission history

From: Jürgen Eser [view email]
[v1] Thu, 5 Apr 2018 11:31:02 UTC (1,059 KB)
[v2] Fri, 20 Jul 2018 16:56:40 UTC (1,107 KB)
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